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公开(公告)号：EP3670136A1
公开(公告)日：2020-06-24
申请号：EP19218203.8
申请日：2019-12-19
Applicant: ABB Schweiz AG
Inventor： Zhong, Sheng , Bednarowski, Dariusz , Tschida, Colin E. , Tremelling, Darren , Malinowski, Lukasz
Abstract: A method for manufacturing a polymeric electrical machine includes manufacturing a stator (18, 30) including a laminated stator core (30) and a plurality of windings (20) including winding overhangs (48);
applying a surface treatment to the stator (18, 30) core constructed to reduce defects at an interface between a polymeric material and the stator (18, 30) core and enhance adherence between the polymeric material and the stator (18, 30) core;
mounting the stator (18, 30) onto a mandrel (108);
inserting the stator (18, 30) into an electrical machine housing mold (100);
molding an electrical machine housing (22) including a stator band (34) with an integral nondrive end endplate (36, 38), including overmolding the stator (18, 30) and winding overhangs (48) within the stator band (34);
molding a drive end endplate (38), including forming polymeric ribs (72) in the drive end endplate (38) and overmolding a metallic structure (61) into the endplate (36, 38), the metallic structure (61) enhancing mechanical stiffness of the endplate (36, 38);
installing a rotor (14) assembly (124) into the electrical machine housing (22);
and installing the endplate (36, 38) onto the electrical machine housing (22).-
公开(公告)号：EP3579384A1
公开(公告)日：2019-12-11
申请号：EP19178176.4
申请日：2019-06-04
Applicant: ABB Schweiz AG
Inventor： Tschida, Colin E. , Tremelling, Darren
Abstract: A rotor is provided for an electric motor. The rotor shaft is located within a central opening of the rotor core. The central opening is sized larger than the rotor shaft such that a circumferential gap exists between the rotor core and the rotor shaft while the shaft is located by protrusions in the central opening of the rotor core. The circumferential gap is filled with a resin.
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